2022. Workshop and Deepening of Carbon Chemistry Materials Using Problem-Based Learning to Improve Literacy and Critical Thinking of High School Chemistry Teacher at MGMP Pangandaran [Workshop dan Pendalaman Materi Kimia Karbon Melalui Metode Problem-Based Lear. Jurnal Pengabdian Isola. 1, 2 (Nov. 2022), 59–70.